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Finding the Fourth Proportional to 561,248.04, 841,879.34 and 187,271.04

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Solution

The fourth proportional to 561,248.04, 841,879.34 and 187,271.04 is: 280,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,248.04 : 841,879.34 = 187,271.04 : x
  2. Step 2: Convert to fraction form
    561,248.04/841,879.34 = 187,271.04/x
  3. Step 3: Cross multiply
    561,248.04x = 841,879.34 × 187,271.04
  4. Step 4: Simplify right side
    561,248.04x = 157,659,619,556.31
  5. Step 5: Solve for x
    x = 157,659,619,556.31/561,248.04
  6. Step 6: Final answer
    x = 280,908.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.